Ajapnyak (Armenian: Աջափնյակ վարչական շրջան, romanized: Ajapnyak varčakan šrĵan), is one of the 12 districts of Yerevan, the capital of Armenia. Located to the northwest of the city centre, Ajapnyak has common borders with the districts of Arabkir from the east, Davtashen from the north, Kentron from the southeast, and Malatia-Sebastia from the south. Hrazdan River forms the natural border of the district from the east. Ajapnyak has also common borders with the provinces of Armavir and Aragatsotn from the west, and Kotayk from the north.